Zoom problem in Canon zoom lens EF 24-70 1:2.8L II USM
This Canon zoom lens EF 24-70 1:2.8L II USM, has been dropped on the floor and then the zoom did not work anymore. But it was "easy" to fix, just take off the bajonet and then the circuit board (take care of the flex cable's)
Then take off the rubber on the zoom ring, and lift up the sticky tape on the thin metal plate.
Set a mark where the encoder brush sit correct, then unscrew the brush.
Unscrew the 2 screws that hold's the connection pin from the zoom ring and take out the zoom ring.
Gently draw the front part of the lens, so the back lens group will go into the lens body, now you can see the "fork" that is the connection from the zoom ring.
Here are some link's to different repair tool's and lubricating stuff:
"ORBIT" HEPA Blower:
https://photosol.com/products/orbit-hepa-blower/
You can buy it here:
https://www.adorama.com/cpkhjdb.html
"Liqui-Moly" LM 50 Litho HT:
https://www.amazon.co.uk/Liqui-Moly-Lm-Litho-400g/dp/B004FPSTAE
"Liqui-Moly" LM47 MoS2 grease with Molybdenum disulfide:
https://products.liqui-moly.com/lm-47-long-life-grease-mos2-1.html
or on Amazon:
https://www.amazon.co.uk/Liqui-Moly-3510-Langzeitfett-MoS2/dp/B00295CR0U?th=1
Contact glue:
https://www.loctiteproducts.com/en/products/fix/contact-adhesives.html
Japan Hobby Tool rubber cone:
https://www.amazon.com/Japan-Vacuum-Camera-Opener-Repair/dp/B0013HFYKK/ref=pd_sbs_469_1?_encoding=UTF8&pd_rd_i=B0013HFYKK&pd_rd_r=RKSF5A4YKT9GV3E1382C&pd_rd_w=5H58m&pd_rd_wg=DBny2&psc=1&refRID=RKSF5A4YKT9GV3E1382C
18 different size rubber repair tool's:
https://www.amazon.com/Sizes-Lens-Filter-Wrench-Rubber/dp/B00988D1BK/ref=pd_sbs_469_2?_encoding=UTF8&pd_rd_i=B00988D1BK&pd_rd_r=RKSF5A4YKT9GV3E1382C&pd_rd_w=5H58m&pd_rd_wg=DBny2&psc=1&refRID=RKSF5A4YKT9GV3E1382C
You can also buy this set.
Lens Repair Set with pointed, flat, half flat tips:
https://www.amazon.com/dp/B00QRPWCN0/ref=psdc_3347581_t1_B00J5F6O92
JIS cross head screw driver's:
https://www.amazon.com/Moody-Tools-58-0219-Chromium-Screwdriver/dp/B004PGO1T6/ref=pd_sim_421_6?_encoding=UTF8&pd_rd_i=B004PGO1T6&pd_rd_r=775KBDR03D8PMMEZWKFJ&pd_rd_w=ti7yC&pd_rd_wg=s2a40&psc=1&refRID=775KBDR03D8PMMEZWKFJ
Or this set, that is the set I use:
https://eustore.ifixit.com/en/Tools/Drivers-Wrenches/JIS-Driver-Set.html?utm_source=iFixit&utm_campaign=Referral&utm_medium=modal&utm_content=145115
Lens cleaning wipes (PEC-PAD):
https://www.amazon.com/dp/B0161VIZZ8/ref=sspa_dk_detail_3?psc=1&pd_rd_i=B0161VIZZ8&pd_rd_wg=ZTxxY&pd_rd_r=RNY8S6Q1V5K18K3F61VZ&pd_rd_w=2c1Oy
Thin Cotton Buds x 200 you can buy them here:
https://www.muji.eu/pages/online.asp?lan=uk&ShopSel=y&scrn=1920&wndw=1920&sec=17&sub=70&pid=2469
DSLRKIT Pro Lens Vise Tool Repair Filter Ring Ajustment Steel 27mm to 130mm:
https://www.amazon.com/DSLRKIT-Repair-Filter-Ajustment-Steel/dp/B00SYBYTZO
Japan Hobby Tool Helical Grease Made in Japan:
https://www.amazon.com/Japan-Hobby-Herical-grease-JHT9110/dp/B0014ZU03M
Loctite 222 50ml Threadlocker
https://www.amazon.com/Henkel-Loctite-Threadlocker-Super-Screw/dp/B013SDAWQC
Видео Zoom problem in Canon zoom lens EF 24-70 1:2.8L II USM канала mikeno62
Then take off the rubber on the zoom ring, and lift up the sticky tape on the thin metal plate.
Set a mark where the encoder brush sit correct, then unscrew the brush.
Unscrew the 2 screws that hold's the connection pin from the zoom ring and take out the zoom ring.
Gently draw the front part of the lens, so the back lens group will go into the lens body, now you can see the "fork" that is the connection from the zoom ring.
Here are some link's to different repair tool's and lubricating stuff:
"ORBIT" HEPA Blower:
https://photosol.com/products/orbit-hepa-blower/
You can buy it here:
https://www.adorama.com/cpkhjdb.html
"Liqui-Moly" LM 50 Litho HT:
https://www.amazon.co.uk/Liqui-Moly-Lm-Litho-400g/dp/B004FPSTAE
"Liqui-Moly" LM47 MoS2 grease with Molybdenum disulfide:
https://products.liqui-moly.com/lm-47-long-life-grease-mos2-1.html
or on Amazon:
https://www.amazon.co.uk/Liqui-Moly-3510-Langzeitfett-MoS2/dp/B00295CR0U?th=1
Contact glue:
https://www.loctiteproducts.com/en/products/fix/contact-adhesives.html
Japan Hobby Tool rubber cone:
https://www.amazon.com/Japan-Vacuum-Camera-Opener-Repair/dp/B0013HFYKK/ref=pd_sbs_469_1?_encoding=UTF8&pd_rd_i=B0013HFYKK&pd_rd_r=RKSF5A4YKT9GV3E1382C&pd_rd_w=5H58m&pd_rd_wg=DBny2&psc=1&refRID=RKSF5A4YKT9GV3E1382C
18 different size rubber repair tool's:
https://www.amazon.com/Sizes-Lens-Filter-Wrench-Rubber/dp/B00988D1BK/ref=pd_sbs_469_2?_encoding=UTF8&pd_rd_i=B00988D1BK&pd_rd_r=RKSF5A4YKT9GV3E1382C&pd_rd_w=5H58m&pd_rd_wg=DBny2&psc=1&refRID=RKSF5A4YKT9GV3E1382C
You can also buy this set.
Lens Repair Set with pointed, flat, half flat tips:
https://www.amazon.com/dp/B00QRPWCN0/ref=psdc_3347581_t1_B00J5F6O92
JIS cross head screw driver's:
https://www.amazon.com/Moody-Tools-58-0219-Chromium-Screwdriver/dp/B004PGO1T6/ref=pd_sim_421_6?_encoding=UTF8&pd_rd_i=B004PGO1T6&pd_rd_r=775KBDR03D8PMMEZWKFJ&pd_rd_w=ti7yC&pd_rd_wg=s2a40&psc=1&refRID=775KBDR03D8PMMEZWKFJ
Or this set, that is the set I use:
https://eustore.ifixit.com/en/Tools/Drivers-Wrenches/JIS-Driver-Set.html?utm_source=iFixit&utm_campaign=Referral&utm_medium=modal&utm_content=145115
Lens cleaning wipes (PEC-PAD):
https://www.amazon.com/dp/B0161VIZZ8/ref=sspa_dk_detail_3?psc=1&pd_rd_i=B0161VIZZ8&pd_rd_wg=ZTxxY&pd_rd_r=RNY8S6Q1V5K18K3F61VZ&pd_rd_w=2c1Oy
Thin Cotton Buds x 200 you can buy them here:
https://www.muji.eu/pages/online.asp?lan=uk&ShopSel=y&scrn=1920&wndw=1920&sec=17&sub=70&pid=2469
DSLRKIT Pro Lens Vise Tool Repair Filter Ring Ajustment Steel 27mm to 130mm:
https://www.amazon.com/DSLRKIT-Repair-Filter-Ajustment-Steel/dp/B00SYBYTZO
Japan Hobby Tool Helical Grease Made in Japan:
https://www.amazon.com/Japan-Hobby-Herical-grease-JHT9110/dp/B0014ZU03M
Loctite 222 50ml Threadlocker
https://www.amazon.com/Henkel-Loctite-Threadlocker-Super-Screw/dp/B013SDAWQC
Видео Zoom problem in Canon zoom lens EF 24-70 1:2.8L II USM канала mikeno62
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